Folding backup key
US11566443B2 · kind B2 · utility
0Cited by
19References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 2019 |
| Grant date | Jan 31, 2023 |
| Priority date | — |
| Expiry date | Jul 26, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05D3/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A foldable card includes first and second sections, each defining a base and a layer of a blade of a key extending therefrom; and a hinge interface connecting the bases of the first and second sections, wherein the first section is configured to fold over the second section at the hinge interface so that a top surface of the first section is against a bottom surface of the second section and each of the layers of the blades align to form the blade of the key, and the first and second sections are configured to fold at the hinge interface into a storage position to form a collective flat surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.